Home / 5,225.18-7,210.96-2,867.28

Finding the Fourth Proportional to 5,225.18, 7,210.96 and 2,867.28

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Solution

The fourth proportional to 5,225.18, 7,210.96 and 2,867.28 is: 3,956.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.18 : 7,210.96 = 2,867.28 : x
  2. Step 2: Convert to fraction form
    5,225.18/7,210.96 = 2,867.28/x
  3. Step 3: Cross multiply
    5,225.18x = 7,210.96 × 2,867.28
  4. Step 4: Simplify right side
    5,225.18x = 20,675,841.39
  5. Step 5: Solve for x
    x = 20,675,841.39/5,225.18
  6. Step 6: Final answer
    x = 3,956.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.